Nominal Diameter (mm/in. ): DN15-DN300 (NPS1/2_-NPS12) Operating temperature: -20-180degree Operating pressure: -0.09MPa-1.6MPa (-0.9bar-16bar) Pipe: Seamless steel. Flange: ASME B16.5 Class 150 Flange options: HG, GB, JB, JIS, BS, DIN, ANSI, ASTM Special pieces of specific or non standard size can be manufactured on request.